Compared to air in the alveoli, blood in the pulmonary artery contains which of the following?
a. higher concentrations of oxygen and lower concentrations of carbon dioxide
b. higher concentrations of oxygen and higher concentrations of carbon dioxide
c. lower concentrations of oxygen and higher concentrations of carbon dioxide
d. lower concentrations of oxygen and lower concentrations of carbon
Answers: 3
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What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers
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Answers: 3
Compared to air in the alveoli, blood in the pulmonary artery contains which of the following?
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